Customizing
User Invitation Messages

You can customize the user invitation message that Amazon Cognito sends to new users
via SMS or email
by editing the templates under the Do you want to customize your user invitation
messages? heading.

Important

Your custom message must contain the {username} and {####}
placeholders, which are replaced with the user's username and password before the
message is
sent.

For SMS, the maximum length is 140 UTF-8 characters, including the verification code.
For
email, the maximum length for the message is 20,000 UTF-8 characters, including the
verification
code. HTML tags can be used in these emails.

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